FEM based shakedown analysis of hardening structures. Phạm, P., T., Nguyễn, T., N., L., & Staat, M. In Nguyen, T., T., Ngyen, X., H., Nguyen, T., T., & Chau, D., T., editors, Proceedings International Conference on Advances in Computational Mechanics (ACOME), August 14-16, 2012, Ho Chi Minh City, Vietnam, pages 870-882, 8, 2012. Tri Thức, Hanoi. abstract bibtex This paper develops a new FEM based upper bound algorithm for limit and shakedown analysis of hardening structures by a direct plastic method. The hardening model is a simple two-surface model of plasticity with a fixed bounding surface. The initial yield surface can translate inside the bounding surface, and it is bounded by one of the two equivalent conditions: (1) it always stays inside the bounding surface, or (2) its centre cannot move outside the back-stress surface. The algorithm gives an effective tool to analyze the problems with a very high number of degrees of freedom. Our numerical results are very close to the analytical solutions and numerical solutions in literature.
@inproceedings{
title = {FEM based shakedown analysis of hardening structures},
type = {inproceedings},
year = {2012},
keywords = {FEM,kinematic hardening,ratchetting,shakedown,two-surface plasticity},
pages = {870-882},
month = {8},
publisher = {Tri Thức, Hanoi},
city = {Ho Chi Minh City},
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last_modified = {2019-01-11T13:47:59.422Z},
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citation_key = {pham2012acome},
source_type = {inproceedings},
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abstract = {This paper develops a new FEM based upper bound algorithm for limit and shakedown analysis of hardening structures by a direct plastic method. The hardening model is a simple two-surface model of plasticity with a fixed bounding surface. The initial yield surface can translate inside the bounding surface, and it is bounded by one of the two equivalent conditions: (1) it always stays inside the bounding surface, or (2) its centre cannot move outside the back-stress surface. The algorithm gives an effective tool to analyze the problems with a very high number of degrees of freedom. Our numerical results are very close to the analytical solutions and numerical solutions in literature.},
bibtype = {inproceedings},
author = {Phạm, Phú Tình and Nguyễn, Thị Ngọc Loan and Staat, Manfred},
editor = {Nguyen, Tong Thien and Ngyen, Xuan Hung and Nguyen, Thoi Trung and Chau, Dinh Thanh},
booktitle = {Proceedings International Conference on Advances in Computational Mechanics (ACOME), August 14-16, 2012, Ho Chi Minh City, Vietnam}
}
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